Europe faces confidence test as borderless ideal fades
Curbs on free movement of people and labour could hurt trade, economy
Frankfurt
HERE'S the latest in a long line of threats to Europe's economy: the border guard.
Danish officers checking travel documents on the boundary with Germany this week aren't out to stymie trade or hinder tourism - they're under orders from politicians anxious to stem the flow of refugees. Even so, analysts are beginning to worry about what could happen to the already-embattled region when the free movement of people is called into question.